Canadian Mainline

System Operations

Reports

Alberta Border Heat Values
CDE Report
Credit and Financial Procedures
Gas Customer Transactional System
Mainline Eligible Alternate Receipt Points and Diversions (Including LTFP Secondary Receipt and Delivery Points)
PDF XLS

Rates

Preliminary 2026 Abandonment Surcharges
PDF XLS
Preliminary 2026 Rate Riders
PDF XLS
Current Mainline Transportation Tolls, Abandonment Surcharges and Rate Riders

PDF XLS

Approved 2021-2026 Transportation Tolls
PDF XLS
Tolls Archive
IT Bid Floors and Fuel Ratios
IT Bid Tolls and Fuel Ratios Archive
Summer 2025 Fuel Ratios
Winter 2025/2026 Fuel Ratios

The Pipeline

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TC Energy Office

Phone: 1.403.920.2000
Toll-free: 1.800.661.3805

Emergency Numbers

Canada: 1.888.982.7222
United States: 1.800.447.8066
Portland Natural Gas Transmission System(PNGTS): 1.800.830.9865
Columbia Gas Transmission, Crossroads Pipeline,
Hardy Storage Company & Millennium Pipeline: 1.800.835.7191
Columbia Gulf Transmission: 1.866.485.3427
Columbia Midstream: 1.855.511.4942
Mexico: 01.800.111.3333

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